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Single Family ResidenceResidential
$1,150,646$286 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $131,000 on May 21, 2013

17603 RANCHO DIANA

HELOTES, TX 78023
4
Beds
5 / 2
Baths
4,017 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
1.05 ac
Lot SizeThe size of the land the home sits on, from county records.
2014
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.2M
$1M low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$131,000 · May 21, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,917 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$1,079,210 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$153,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$925,510
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,031,219
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,079,210

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.63
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
64
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
99
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
46
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
100
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyBEXAR
Lot (acres)The size of the land the home sits on, from county records.1.05
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 900 ft²Porch · 555 ft²

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Dr. Hector P. Garcia Middle SchoolA
Middle · Grades 6–8 · 2.1 mi
E
Monroe S. May Jr. Elementary SchoolC+
Elementary · Grades EE–5 · 2.4 mi
H
Louis D. Brandeis High SchoolA-
High · Grades 9–12 · 3.4 mi

District: Northside Independent School District

Neighborhood · ZIP 78023These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.56
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.22

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.38,941
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.575 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$123,110
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$147,650
Average tempThe average temperature here across a full year.67°F
Annual precipHow much rain and melted snow falls here in a typical year.34 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

17603 Rancho Diana measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Among the most valuable homes in Bexar County
  • Costs more per square foot than 97% of homes in Bexar County
  • Bigger than 98% of homes in Bexar County
  • Has a bigger lot than 95% of homes in Bexar County
  • Newer than 84% of homes in Helotes 78023

What homes are worth in Helotes 78023

Each bar is how many homes fall in that price range. The marker is this home.

This home
$274K$1.3M

This home is worth more than 97% of homes in Helotes 78023.

How it measures up in Helotes 78023

The dot is this home. The mark in the middle is the typical home in Helotes 78023.

Estimated value$1,150,646
CheaperTypical $464,045Pricier

Pricier than 97% of homes nearby

Price per ft²$286
CheaperTypical $180Pricier

Pricier than 94% of homes nearby

Living area4,017 ft²
SmallerTypical 2,611 ft²Bigger

Bigger than 93% of homes nearby

Lot size1.05 ac
SmallerTypical 0.23 acBigger

Bigger than 77% of homes nearby

Year built2014
OlderTypical 2004Newer

Newer than 84% of homes nearby

How 17603 Rancho Diana ranks against every home in each area.
MeasureThis homeHelotes 78023Bexar County
Estimated valuepricier than$1,150,64697% of homesalmost all homes
Price per ft²pricier than$28694% of homes97% of homes
Living areabigger than4,017 ft²93% of homes98% of homes
Lot sizebigger than1.05 ac77% of homes95% of homes
Year builtnewer than201484% of homes80% of homes

About 17603 Rancho Diana

How much is 17603 Rancho Diana, Helotes, TX worth?

The TopHap Estimate for 17603 Rancho Diana, Helotes, TX is $1,150,646 as of Oct 21, 2026. The likely range is $1,045,201 to $1,256,091. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17603 Rancho Diana, Helotes, TX last sell?

17603 Rancho Diana, Helotes, TX last sold on May 21, 2013 for $131,000, according to the county's recorded deed.

How big is 17603 Rancho Diana, Helotes, TX?

17603 Rancho Diana, Helotes, TX has 4 bedrooms, 5 bathrooms, 4,017 square feet of living space and a 1.05-acre lot.

When was 17603 Rancho Diana, Helotes, TX built?

17603 Rancho Diana, Helotes, TX was built in 2014, making it 12 years old. The building has 2 stories.

What schools serve 17603 Rancho Diana, Helotes, TX?

17603 Rancho Diana, Helotes, TX is assigned to Dr. Hector P. Garcia Middle School (middle), rated A; Monroe S. May Jr. Elementary School (elementary), rated C+; Louis D. Brandeis High School (high), rated A-. All sit in Northside Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17603 Rancho Diana, Helotes, TX compare to other homes in Helotes 78023?

Among the 10,983 homes in Helotes 78023, it is worth more than 97% of them ($1,150,646 against a typical $464,045), its price per square foot is higher than 94% of them ($286 against a typical $180), it is bigger than 93% of them (4,017 ft² against a typical 2,611 ft²), its lot is bigger than 77% of them (1.05 ac against a typical 0.23 ac) and it is newer than 84% of them (2014 against a typical 2004). Measured against all of Bexar County, it is worth more than almost all homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 17603 Rancho Diana, Helotes, TX?

The 2025 property tax bill for 17603 Rancho Diana, Helotes, TX was $15,917. The county assessed it at $1,079,210.

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